Finding the Fourth Proportional to 16,833.82, 23,230.83 and 9,280.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,833.82 : 23,230.83 = 9,280.43 : x
2. Step 2: Convert to fraction form
   16,833.82/23,230.83 = 9,280.43/x
3. Step 3: Cross multiply
   16,833.82x = 23,230.83 × 9,280.43
4. Step 4: Simplify right side
   16,833.82x = 215,592,015.75
5. Step 5: Solve for x
   x = 215,592,015.75/16,833.82
6. Step 6: Final answer
   x = 12,807.07